Rake



Sept. 20, 1938. G. o. sUNDQVlsT RAKE Filed Sept. 18, 1955 Patented Sept. 20, 1938 f RAKE G-ustav Oskar Sundovist, Stockholm, Sweden, assignor to Gunnar Ostberg, Stockholm, Sweden Application September 18, 1935, Serial No. 41,114

In Sweden September 19, 1934 2 Claims. (Cl. 55-114) This invention relates to improvements in form a spring loop and a hook 5 intended to snap straight-fronted fan-shaped rakes. into a hole 6 on the upper surface of the rake It is previously proposed to provide a rake, in head. The rear ends of the teeth rest in notches Which the rake head is of an inverted channel I in the rear wall and in pressed notches 8 in 5 form with apertures in the front wall and upper the rear wall and in notches 9 in the upper 5 surface and notches in the rear Wall for receivsurface of the rake head, said notches holding ing interchangeable teeth. The rear end of each the ends firmly laterally. The holes 6 and the tooth is bent to form a springyloop and the exnotches 1, 8 are thus devices for fixing the teeth treme end terminates into a hook. Each said to the back wall of the rake head. These del-O tooth passes through an aperture in the front vices are arranged on converging lines (lines Il] 10 Wall and a notch in the rear wall. The hook for the holes 6), which converge symmetrically engages With One Of the apertures in the upper' backwards. The straight part of the teeth passes surface of the rake head in Such a manner that through the holes in the front wail, which ho1es the Spring loop projects a Substantial distance are formed es long-holes if ieterai nexibiiity l5 forwardly beyond the rear wall of the rake head. is desired 15 According to this invention the rake has in- Owing to the peculiar Shape of the rake head terchangeable teeth xed in the shape of a fan the Socket for the handle is made by the rake 111 a Take head, Saud head CQUSStng 0f a Piece head itself. The rake head longitudinei sufrencf Sheet metal au teeth bem? exactly cf the ing ridges l2 are pressed on either side of the same length and shape. Devices are provided median line at the front and back ends of the 20 for fixing the teeth to the rear wall of'the rake rake head, the ridges of each pair being joined head1 Seld devlces heme Sc placed cn elther 51de by a pressed strip, semicircular in cross-section of the median line of the rake on lines convergfor encompassing approximately half the un ing symmetrically backwards, that the points of derside of the handle the rake head bow/oen hier ing bent to form a Spring loop said spring loop cross-section for encompassing the upper side of lying closely against the rear wall and the upper lhlrdeh Tle hgg llsolei by a screw or surface of the rake head in notches provided in aV o ghon or. th f t. d

said rear wall and upper surface, the lateral arlous c anges m e Crm plopor ma an 30 superficies of said notches forming guideways for details of construction may-be, resorted tqwieh" the rear end of the teeth, thus preventing the out departmg from the pnnclple 0T Sacncmg tooth turning round, the ends being provided any of the advantages of this invention as de with a hook for snapping into a hole on the ned by the appended claims', b

.e5 upper surface of the rake head, while the teeth Ifavmg thus described my mventlcn what I 35 are otherwise hold in position by holes and claim as new and desire to secure by Lettersnotches in the bent-down front and rear Walls Patent is:

respectively of the rake head. 1. In an improved fan-shaped rake having a With the above and other objects in view the head comprising an upper surface, a front wall invention consists of certain novel features of and a rear wall, interchangeable teeth, all teeth 40 construction, combination and arrangements of being exactly of the same length and shape, de-

parts as will hereinafter be described and vices for fixing the teeth to the rear para of the claimed. rake head being so placed on connecting-lines In the accompanying drawing Figure 1 is a converging symmetrically backwards that the plan view of a rake, Fig. 2 is an enlarged plan forward ends of the teeth are in a straight line 45 View of the rake head, Fig. 3 is a side view in and equidistant from one another, the rear ends section along a line A-B in Fig. 2 and Fig. 4 of the teeth being bent to form spring loops is a section along a line C--D in Fig. 2. lying closely against said rear part of the rake Referring more particularly to the drawing l head and the upper surface of the rake head befr0 denotes a rake head consisting of a piece of sheet tween lateral superficies of notches provided in 50 metal, to which a handle is adapted to be fixed. said rear part of the rake head and the upper The edges of the rake head are bent down and surface of the rake head, the extreme end of the well rounded on the front and back walls. The spring loop being provided with a hook for snapfront part of the teeth 2 is bent in an even ping in a hole on the upper surface of the rake curve 3, and their rear ends 4 are bent back to head, while the teeth are otherwise held byholes 55 and notches in the front and rear Walls of the rake head.

2. In an improved rake as claimed in claim 1, a handle socket formed in the rake head and comprising a front and a. rear pair of longitudinal stiiening ridges, the ridges of each pair being joined by a pressed strip, semicircular in cross-section for encompassing approximately half the underside of the handle, the rake head between said strips being pressed semicircular in cross-section for encompassing the upper side of the handle.

GUSTAV OSKAR SUNDQVIST. 

